func llogf(p syslog.Priority, format string, a ...interface{}) {
_, f, l, _ := runtime.Caller(2)
fd := strings.Split(f, "/src/")
if len(fd) == 2 {
filedata := fmt.Sprintf("%s.%d: ", fd[1], l)
format = filedata + format
}
syslog.Syslogf(p, format, a)
}
func main() {
// Don't throw an error when encountering an unknown flag (for sendmail compat)
flag.CommandLine.Init(os.Args[0], flag.ContinueOnError)
flag.Parse()
if config.Message_FromCronDaemon {
config.Message_FromName = "CronDaemon"
}
if err := config.ParseFile(config.ConfigFile); err != nil {
fmt.Fprintf(os.Stderr, "Error while parsing configuration: %s\n", err)
os.Exit(2)
}
// Map all local users to Postmaster address
config.Message_To = flag.Args()
for i, to := range config.Message_To {
if -1 == strings.Index(to, "@") {
config.Message_To[i] = config.Postmaster
}
}
if config.Verbose {
fmt.Printf("%#v\n", *config)
}
if len(config.Message_To) == 0 && !config.ScanMessage {
fmt.Fprintln(os.Stderr, "Error: no recipients supplied")
os.Exit(1)
}
m, err := compose()
if err != nil {
syslog.Errf("ComposeError: %s", err)
fmt.Fprintf(os.Stderr, "ComposeError: %s\n", err)
os.Exit(2)
}
c, err := connect()
if err != nil {
syslog.Errf("ConnectError: %s", err)
fmt.Fprintf(os.Stderr, "ConnectError: %s\n", err)
os.Exit(3)
}
if err := send(c, m); err != nil {
syslog.Errf("SendError: %s", err)
fmt.Fprintf(os.Stderr, "SendError: %s\n", err)
os.Exit(4)
}
var subject string = "(unknown)"
if len(m.Header["Subject"]) > 0 {
subject = m.Header["Subject"][0]
}
syslog.Syslogf(syslog.LOG_INFO, "[%s] Sent mail; subject \"%s\"; from %s; to %#v", m.Header["Message-Id"][0], subject, config.Message_From, config.Message_To)
if config.Verbose {
fmt.Println("Info: send successful")
}
}